NY1 VIDEO: Helaina Hovitz recounts her story of 9/11 in her book "After 9/11:  One Girl's Journey Through Darkness to a New Beginning." She was 12-years-old and in school downtown on that day, and suffered from post-traumatic stress disorder in the years that followed. In this Parenting report, NY1's Shelley Goldberg talks to Hovitz about how she dealt with the symptoms and what she wants the readers to know.